> Source: [sk171502](https://support.checkpoint.com/results/sk/sk171502)

# sk171502 - dmesg error  "skb_warn_bad_offload"

| Property | Value |
|----------|-------|
| Solution ID | sk171502 |
| Date Created | 2021-01-12 |
| Last Modified | 2021-01-14 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |

## Symptoms

- The dmesg command output on the Security Gateway shows the following:  

```

dump_stack+0x1e/0x20

 __warn+0xd8/0x100
 warn_slowpath_fmt+0x5f/0x80
 ___ratelimit+0x8f/0x110
 skb_warn_bad_offload+0xbe/0x120
 skb_checksum_help+0x145/0x190
 fwlinux_nfipout+0x1f8/0x780 [fw_0
 nf_iterate+0x67/0xa0
 nf_hook_slow+0xaa/0x110
 ip_output+0xce/0xe0
 ip_fragment.constprop.61+0xa0/0xa0
 ip_local_out_sk+0x31/0x40
 ip_queue_xmit+0x147/0x3d0
 tcp_transmit_skb+0x499/0x9e0
 tcp_write_xmit+0x1e5/0xce0
 __tcp_push_pending_frames+0x2e/0xd0
 tcp_rcv_established+0x245/0x780
 tcp_v4_do_rcv+0x10a/0x3b0
 release_sock+0x9e/0x170
 tcp_sendmsg+0x3fb/0xc40
 inet_sendmsg+0x61/0xb0
 selinux_socket_sendmsg+0x23/0x30
 sock_aio_write+0x15f/0x180
 do_sync_write+0x8d/0xd0
 vfs_write+0x1c5/0x1e0
 SyS_write+0x7f/0xf0
 sysenter_dispatch+0x7/0x25
```

<br />

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